Nacos持久化数据的Jraft快照加载生成的缓存存在数据不一致

[CZJCC]

Describe the bug
When the jraft server started, NacosStateMachine will load the jraft snapshot after initialization. If it is persistent data, PersistentClientOperationServiceImpl will start working, and the readSnapshot method will be called.

IpPortBasedClient is initialized one by one, publishes the ClientRegisterServiceEvent event to the downstream, and then adds the client to the clientManager.

After ClientServiceIndexesManager processes this event and builds the index, it will publish the ServiceChangedEvent event, which will then be processed by NamingSubscriberServiceV2Impl and submit the PushDelayTask delay task. When this task is executed, generatePushData will be called, which will have the logic to obtain the client from the clientManager.

There is a problem here. Since the event is processed asynchronously, there may be a situation where the corresponding client cannot be found and needs to be fixed.

Expected behavior

When the jraft snapshot data is loaded, the cache data of ClientServiceIndexesManager should be consistent with the cache data of ClientServiceIndexesManager in ServiceStorage.

Actually behavior
A clear and concise description of what you actually to happen.